Either obtain a VHS/DVD copy of the movie or wait until it is broadcast. I recommend the latter, for it permits trips to the loo during commercials. Some feel that this is cheating.

Gather a significant quantity of alcoholic beverages around you. Beer is most commonly used, but it's your liver. You'll go through it quickly, and if you are away getting another bottle, you will go into serious debt. Speed is of the essence.

Every time the word "who" is said, you drink. That's right, every single time. "The Who Song" at the beginning of the cartoon usually thins the herd pretty quick because "who" gets said about a million times.